Answer / venkatesh

It is the ratio of Power delivered to the load to the power
supllied to the device as a input.

Answer / arun

efficiency of the transformer is 97 or 98%

Answer / gs kiani

Transformer efficiency depends upon Input and Output Power.
Effeciency =Output Power/ Input Power
As transformer is static device without any rotating part so it is most efficient electical component or device with efficiency more than 95% approaching to 98%

Answer / manikandan

which is nothing but the ratio of primary power to the
secondry power

Answer / kinjan

IT IS THE RATIO OF OUTPUT POWER TO THE INPUT POWER.

How to calculate the KA rating for a circuit breaker if we know the KVA rating of the generator feeding it?

2 Answers  

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what kelvin's law ?

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explain the transient reactance

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Why a motor blower cobination draw more current at winter than summer?

1 Answers  

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1.Z transform always lies around ? a) origin b) pole c) zero d) z=1. Multiples Mcqs which is bother me can’t find answers on internet. Some help required with little explanation . Note: this is not homework or related to any test. Thanks

0 Answers   CCP,

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what is wave traps and why it is been used in switchyards?

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why capacitor burst?

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What is value of earth resistance required for substation and equipment earthing and what are the reference guidelines

0 Answers   Glenmark,

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what is the diff.between neutral and earth?

4 Answers  

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which is the best, A/C DRIVES or D/C DRIVES for cranes,...... ...and why......?

2 Answers   Alstom,

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are induction motor have poles? yes / no , why?

3 Answers  

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